Ewen Dai work email
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Ewen Dai personal email
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I am currently working as a Software Engineer @ Google and previously graduated with a Statistics Master's from UC Berkeley. My interests lie within the realm of Data Science/Machine Learning/AI and SWE. Outside of academics, the bulk of my time was spent learning new technical skills and developing project and team management skills in my position as a Data Consulting Advisor for the Student Association for Applied Statistics (SAAS).I also worked part-time as a Data 102 (Data, Inference, and Decisions) Graduate Student Instructor and Stat 88 (Probability and Mathematical Statistics), where I hosted discussion sections/office hours and handled various aspects of course logistics, and as a Consultant at the UC Berkeley D-Lab. Previously, I was on Statistics 140 (Probability for Data Science) course staff as a Group Tutor.
- Website:
- google.com
- Employees:
- 1
- Company phone:
- 916.253.7820
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Software EngineerGoogle Jun 2022 - PresentMountain View, Ca, Us -
Stat 88 Lead Graduate Student InstructorUniversity Of California, Berkeley Jan 2022 - May 2022Berkeley, Ca, UsStat 88 (Probability and Mathematical Statistics in Data Science) is a connector course further developing the theoretical underpinnings explored in Foundations of Data Science (Data 8). -
Data 102 Lead Graduate Student InstructorUniversity Of California, Berkeley Jan 2021 - Dec 2021Berkeley, Ca, UsUpper Division course covering modeling and decision making in data science - Data, Inference, and Decisions (data102.org)- Organize course logistics, create assignments- Host weekly office hours, lead discussion sections, and grade exams/projects -
Prob 140 Group TutorUniversity Of California, Berkeley Aug 2019 - Dec 2020Berkeley, Ca, UsUpper division probability class (Probability for Data Science) - Also Stat 140, Data C140 (prob140.org)- Answer questions and explain probability concepts in weekly office hours- Host weekly small group tutoring sessions focusing on content review and working through relevant exercises- Grade weekly assignments & exams -
Stat 20 Group TutorUniversity Of California, Berkeley Jun 2020 - Aug 2020Berkeley, Ca, Us -
ConsultantD-Lab, Uc Berkeley Aug 2021 - May 2022Berkeley, Us -
Data Consulting AdvisorStudent Association For Applied Statistics May 2021 - May 2022Berkeley, California, Us- Advise Data Consulting PMs in terms of project logistics (timeline and reasonable workload, etc.) and suggest additional viable methods of analysis.- Review deliverables to ensure quality -
Lead Data Consultant - By HumankindStudent Association For Applied Statistics Dec 2020 - May 2021Berkeley, California, Us- Co-Project Manager- Basic Survival Analysis to predict customer retention by product purchase history -
Lead Data Consultant - The SillStudent Association For Applied Statistics Jun 2020 - Dec 2020Berkeley, California, Us- Co-Project Manager for team of 13-15 members- Analyze customer data and publicly available data to come up with a process to determine possible locations for future in-person store locations- Utilize hypothesis testing, heatmaps, and time series analysis -
Data Consultant - IndeedStudent Association For Applied Statistics Jan 2020 - May 2020Berkeley, California, Us- Exploratory Data Analysis & Data Visualization for the IPUMS Dataset (https://usa.ipums.org/usa/)- Build ARIMA Time Series Models using IPUMS Yearly Data and S&P 500 Historical Data -
Data Consultant - Data SecretsStudent Association For Applied Statistics Sep 2019 - Dec 2019Berkeley, California, Us- Data Cleaning, Data Preprocessing and Vectorization using NLP- Utilized clustering algorithms (DBSCAN and HDBSCAN) as well as engaging in hyper-parameter tuning to test for best results -
External Affairs Committee, MemberStudent Association For Applied Statistics Jan 2019 - Aug 2019Berkeley, California, Us -
Web Development Committee, MemberStudent Association For Applied Statistics Sep 2017 - Dec 2018Berkeley, California, Us- Implemented search function to filter club office hours calendar (JavaScript embedded in HTML)- Produced comprehensive list of major requirements and classes to facilitate redesign of Statistics Course Map -
Data Science InternLiveramp May 2021 - Aug 2021San Francisco, Ca, Us- Build Data Marketplace data segment classification workflow, including neural network models with BERT preprocessor and encoder layers to featurize the input text (Python)- Create an ontology-based proof of concept for browsing capabilities for Data Marketplace during Hack Week -
Senior AdvisorData Science Society At Berkeley Dec 2020 - May 2021Berkeley, Ca, Us -
Data Consultant - Monday.ComData Science Society At Berkeley Jun 2020 - Dec 2020Berkeley, Ca, Us- Feature selection via correlation analysis and feature importance via univariate feature selection (Mutual Info Regression Score & F-Regression)- Random Forest Model Pipeline & Kernel Ridge Regression Model Pipeline- Explore utility of LSTM model -
Data Consultant - MetromileData Science Society At Berkeley Jan 2020 - May 2020Berkeley, Ca, Us- Explore OSM data to create features for prediction- Utilize various feature selection methods - Train and evaluate and compare models -
Data Consultant - AdvisaryData Science Society At Berkeley Sep 2019 - Dec 2019Berkeley, Ca, Us- Created Schema on DynamoDB for Consultant Profile- Coded ML Recommendation Engine, along with creating necessary pseudo-data -
Data Science Skills Decal TaData Science Society At Berkeley Feb 2019 - Aug 2019Berkeley, Ca, Us- Answer miscellaneous questions regarding common skills in Data Science, including questions related to Python Libraries (Pandas, NumPy, Matplotlib, Seaborn), Data Visualization, Git/Github, Markdown/Latex, Logistic/Linear Regression, Classification, etc.- Host weekly Office Hours for Student Skills Development- Create Project Sample Solutions & Grade Student Homework/Lab/Project Submissions -
Undergraduate Researcher, Public Editor ProjectGoodly Labs Feb 2019 - May 2021Berkeley, California, UsUser Monitoring & Analytics Subteam Lead: Fall 2020 - May 2021- Lead team of 4 members to ensure high quality user responses and detect anomalous user activity - Improve User Reputation Score system, which indicates how closely the user's responses matches the general consensus responses, by taking into consideration more features and pre-determined "gold standard" answersMASC (Monitoring and System Calibration) Subteam Lead: Fall 2019 - Summer 2020- Lead team of 5 to 6 to ensure that the system is running accurately and analyze user behavior/responses- Estimate the number of responses needed for a general consensus (Bootstrapping)- Create User Reputation Score system that indicates how closely the user's responses matches the general consensus responsesMASC (Monitoring and System Calibration) Subteam Member: Spring 2019 - Summer 2019- Create data cleaning and analysis pipeline to analyze variance associated with each credibility indicator, from which article scores are calculated- Write functions that will create pseudo-data for testing purposes -
Summer ResearcherCollective Actions In Tech Jun 2020 - Nov 2020- Create visualization function to easily gain insights from the data- Analyze the effect of COVID-19 on Tech Activism and publish article with findings (tinyurl.com/techactivism)- Implement functions that takes in an article url and returns key words and sentences to aid in data collection (Python)
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Web Co-DirectorIeee Student Branch At Uc Berkeley May 2018 - Dec 2019- Lead team of 5-6 web officers in improving the UC Berkeley IEEE website (React, Node.js)- Update ucbstartupfair.com in support of IEEE's semesterly Start Up Career Fair- Implemented new communication system, boosting productivity from 3 projects assigned with 1 completed in Spring 2018 to 6 assigned with 5 completed (and 1 in progress) in Fall 2018, with similar results the following semesters
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Web Committee OfficerIeee Student Branch At Uc Berkeley Jan 2018 - May 2018
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Software Engineering InternInfluxdata May 2019 - Aug 2019San Francisco, California, Us- Add strings and regex functionality to Flux query language (GoLang)- Implement transformation functions from InfluxQL into Flux (GoLang)- Create new stream type and allow for writing data from one stream to another in pure Flux (GoLang) -
Web Development Committee, MemberRegents' And Chancellor'S Scholars Association (Rcsa) Sep 2017 - May 2019Berkeley, California, Us- Redesigned and updated Committees Page (HTML, CSS)- Supported Committee Coordinator by creating CSS Basics powerpoint and teaching 8 new committee members -
Outreach Team, MemberVirtual Reality At Berkeley Jan 2018 - May 2018Berkeley, UsHelped host SodaHacks, VRAB's first Hackathon -
Halloween Experience Team, MemberVirtual Reality At Berkeley Sep 2017 - Dec 2017Berkeley, Us- Use Unity produce a VR horror game - Focused on animation and building background scenery -
Professional Development Committee, MemberAsian American Association | Uc Berkeley Sep 2017 - Dec 2017Berkeley, Ca, Us- Publicize and host talks by successful Asian Americans- Publicize and execute fundraising events (Chick-Fil-A Fundraiser)- Publicize AAA’s first 18+ clubbing event -
Violinist For Senior SymphonyEl Camino Youth Symphony Association Aug 2012 - Jul 2017Palo Alto, Ca, Us"ECYS is distinguished by its unusually large and diverse number of ensembles, a creative structure that enables ECYS teachers to offer an enriching musical education to the widest possible range of youth. The young musicians of ECYS are culturally diverse and range from those at the beginning of their musical training to those ready to establish their creative careers as performing artists."2014 - 2017: Senior SymphonySummer 2017: Tour of Central Europe (Prague, Czech Republic; Vienna, Austria; Bratislava, Slovakia; Budapest, Hungary)Summer 2015: Tour España (Seville, Granada, Valencia, Barcelona)2012 - 2014: Sinfonietta Orchestra2013 - 2014: Chamber Music Program -
PresidentIrvington High School Science Club Aug 2016 - Jun 2017- Manage 6-person officer team, delegate tasks, promote teamwork- Organize annual events to promote interest in the STEM fields and plan meetings to train for the National Science Bowl Competition- Vice President: 2015-2016; General Member: 2014-2015
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Vice PresidentIrvington High School Math Club Aug 2015 - Jun 2017- Write and present weekly lectures on various topics (e.g. Classical Cryptosystems, Probability and Combinatorics)- Assist in organizing logistics for competitions and eventsPublicity: 2014-2015; General Member 2013-2014
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Cosmos Mathematics StudentUniversity Of California, Santa Cruz Jul 2016 - Aug 2016Santa Cruz, Ca, UsUC Santa Cruz Cluster 1 - Number Theory and Discrete MathLearned Number Theory and Discrete Mathematics, including modular arithmetic, set theory, graph theory, infinity, cryptography, and more."Designed specifically for talented and motivated high school students, the California State Summer School for Mathematics and Science (COSMOS) is a 4-week summer residential program for high school scholars with demonstrated interest and achievement in math and science."2016 Certificate of AchievementProject: The Properties of Fibonacci NumbersExploration of the properties of the Fibonacci sequence. Includes history of the Fibonacci numbers along with proofs for the relationship between Fibonacci numbers and Pascal's Triangle, consecutive ratio limit, Binet's formula, etc.
Ewen Dai Skills
Ewen Dai Education Details
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University Of California, BerkeleyStatistics -
University Of California, BerkeleyData Science & Statistics -
Irvington High School
Frequently Asked Questions about Ewen Dai
What company does Ewen Dai work for?
Ewen Dai works for Google
What is Ewen Dai's role at the current company?
Ewen Dai's current role is Software Engineer @ Google.
What is Ewen Dai's email address?
Ewen Dai's email address is ew****@****ley.edu
What schools did Ewen Dai attend?
Ewen Dai attended University Of California, Berkeley, University Of California, Berkeley, Irvington High School.
What skills is Ewen Dai known for?
Ewen Dai has skills like Microsoft Word, Microsoft Excel, Microsoft Powerpoint, Teamwork, Python, Java, Sql, Html, Javascript, Cascading Style Sheets, Tutoring, Leadership.
Who are Ewen Dai's colleagues?
Ewen Dai's colleagues are Micheal Frank, Jessica N., Nan Da, Anil Tezer, Pramod Singh, Rohit Gamer, Romeo Lampard.
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